溶液紡絲纖維 的英文怎麼說
中文拼音 [róngyèbǎngsīxiānwéi]
溶液紡絲纖維
英文
solution-spun fibers-
By blending with pva, the rigidity and fragile properties of regenerated sf could be improved to some extent
研究了共混配比、溶液濃度、添加劑含量及電紡電壓、噴絲距離等因素對纖維盛開及纖維有關性能的影響。In order to prepare bioactive functional fibers, the german company zimmer blended seaweed particles with the spinning solution during the solvent spun process for cellulose fibers, and dispersed the seaweed particles in the resultant seacell fibers
摘要為了制備具有生物活性的功能性纖維，在溶劑法生產再生纖維素纖維的過程中，把海藻粉末與紡絲溶液混合，所得到的海絲纖維中分佈了細小的海藻顆粒。With increasing the amount of pva in the blend, concentration of spinning solution and the voltage of electrospinning, spinnability of the solution could be favored
研究表明：與聚乙烯醇共混后再生絲素纖維的柔韌性有一定改善，適當增加pva在共混物中的含量、提高紡絲液濃度以及紡絲電壓有利於改善共混溶液的可紡性。Salt alginate fiber was prepared by means of wet spinning, the structure and properties of the fibers were studied by differential thermal analysis, infrared and scanning electron microscopy
摘要採用溶液紡絲的方法制備了海藻酸鹽纖維，藉助熱分析、紅外分析及掃描電子顯微鏡等對纖維結構與性能進行了研究。The adsorption of polymer chains at the sio2 surface avoided the coherence between the nascent hollow fibers, improved spinning conditions and hollow fiber bearing. the addition of ca further improved mechanical property of membrane, but pressure - resiposivity became weak. by controlling polymer and sio2
通過對sio _ 2填充pu溶液紡絲成形研究發現，因sio _ 2對pu紡絲液相分離條件的改變及對pu大分子的吸附，有效防止了pu初生纖維的粘結，提高了pu紡絲溶液的可紡性，改善了pu中空纖維膜的支撐性。This charged fiber can be directed or accelerated by electrical forces and then collected in mats or other useful geometrical forms. the diameters of electrospun fibers are in the range of tens of nanometers to several micrometers. in this paper, polyacrylonitrile ( pan ) nanofibers are made by electrospinning pan / dimethylformamide ( dmf ) and pan / dimethylacetamide ( dmac ) with adjusting the main process parameters including electrostatic voltage ( 20 ~ 50kv ), sprinkler aperture ( 0. 5 ~ 0. 8mm ), collection distance ( 15 ~ 25cm ), solution concentration ( 6 wt % - 14 wt % )
本文主要對聚丙烯腈（ pan ）二甲基甲酰胺（ dmf ） 、 pan二甲基已酰胺（ dmac ）體系進行電紡絲，調節靜電壓（ 20 50kv ） 、噴頭孔徑（ 0 . 5 0 . 8mm ） 、接收距離（ 15 25cm ） 、溶液濃度（ 6wt 14wt ）等過程參數，制得pan納米纖維，纖維平均直徑在200 1000nm ；詳細分析了過程參數對纖維細度、形態等的影響，認為高聚物溶液濃度及靜電壓對纖維細度有決定性影響，其它過程參數如接收距離、噴射孔徑、紡絲溶液溫度、溶液電導率等的調整應以這兩參數為基礎進行。Electrospinning origins from that electrically charged fluid is forced jets in the high voltage electrostatic field. electrospinning occurs when the electrical forces at the surface of a polymer solution or melt overcome the surface tension and cause an electrically charged jet to be ejected. when the jet dries or solidified, an electrically charged fiber remains
電紡絲技術是基於高壓靜電場下導電流體產生高速噴射的原理發展而來，其基本過程是：聚合物溶液或熔體在幾千至幾萬伏的高壓靜電場下克服表面張力而產生帶電噴射流，溶液或熔體射流在噴射過程中乾燥、固化，並保持一定電荷量，最終落在接收裝置上形成纖維氈或其它形狀的纖維結構物。Concentrations, bore flow rate, dope solution temperature, coagulant bath temperature, 5 types of composite pu hollow fiber membranes were prepared. the recovery extent of different composition hollow fiber membrane pore size is different. the ability to recover of type
另外，在pu紡絲液中混入適量醋酸纖維素（ ca ） ，也可有效改善pu溶液的可紡性，提高pu中空纖維膜的支撐強度和耐壓強度，但壓力響應性有所減弱。分享友人